gecko-dev/xpcom/tests/unit/test_windows_registry.js

206 строки
7.3 KiB
JavaScript

/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
const Cr = Components.results;
const Ci = Components.interfaces;
const Cc = Components.classes;
const Cu = Components.utils;
const CC = Components.Constructor;
const nsIWindowsRegKey = Ci.nsIWindowsRegKey;
let regKeyComponent = Cc["@mozilla.org/windows-registry-key;1"];
function run_test()
{
//* create a key structure in a spot that's normally writable (somewhere under HKCU).
let testKey = regKeyComponent.createInstance(nsIWindowsRegKey);
// If it's already present because a previous test crashed or didn't clean up properly, clean it up first.
let keyName = BASE_PATH + "\\" + TESTDATA_KEYNAME;
setup_test_run(testKey, keyName);
//* test that the write* functions write stuff
test_writing_functions(testKey);
//* check that the valueCount/getValueName functions work for the values we just wrote
test_value_functions(testKey);
//* check that the get* functions work for the values we just wrote.
test_reading_functions(testKey);
//* check that the get* functions fail with the right exception codes if we ask for the wrong type or if the value name doesn't exist at all
test_invalidread_functions(testKey);
//* check that creating/enumerating/deleting child keys works
test_childkey_functions(testKey);
test_watching_functions(testKey);
//* clean up
cleanup_test_run(testKey, keyName);
}
function setup_test_run(testKey, keyName)
{
do_print("Setup test run");
try {
testKey.open(nsIWindowsRegKey.ROOT_KEY_CURRENT_USER, keyName, nsIWindowsRegKey.ACCESS_READ);
do_print("Test key exists. Needs cleanup.");
cleanup_test_run(testKey, keyName);
}
catch (e if (e instanceof Ci.nsIException && e.result == Cr.NS_ERROR_FAILURE))
{
}
testKey.create(nsIWindowsRegKey.ROOT_KEY_CURRENT_USER, keyName, nsIWindowsRegKey.ACCESS_ALL);
}
function test_writing_functions(testKey)
{
strictEqual(testKey.valueCount, 0);
strictEqual(testKey.hasValue(TESTDATA_STRNAME), false);
testKey.writeStringValue(TESTDATA_STRNAME, TESTDATA_STRVALUE);
strictEqual(testKey.hasValue(TESTDATA_STRNAME), true);
strictEqual(testKey.hasValue(TESTDATA_INTNAME), false);
testKey.writeIntValue(TESTDATA_INTNAME, TESTDATA_INTVALUE);
strictEqual(testKey.hasValue(TESTDATA_INT64NAME), false);
testKey.writeInt64Value(TESTDATA_INT64NAME, TESTDATA_INT64VALUE);
strictEqual(testKey.hasValue(TESTDATA_BINARYNAME), false);
testKey.writeBinaryValue(TESTDATA_BINARYNAME, TESTDATA_BINARYVALUE);
}
function test_value_functions(testKey)
{
strictEqual(testKey.valueCount, 4);
strictEqual(testKey.getValueName(0), TESTDATA_STRNAME);
strictEqual(testKey.getValueName(1), TESTDATA_INTNAME);
strictEqual(testKey.getValueName(2), TESTDATA_INT64NAME);
strictEqual(testKey.getValueName(3), TESTDATA_BINARYNAME);
}
function test_reading_functions(testKey)
{
strictEqual(testKey.getValueType(TESTDATA_STRNAME), nsIWindowsRegKey.TYPE_STRING);
strictEqual(testKey.readStringValue(TESTDATA_STRNAME), TESTDATA_STRVALUE);
strictEqual(testKey.getValueType(TESTDATA_INTNAME), nsIWindowsRegKey.TYPE_INT);
strictEqual(testKey.readIntValue(TESTDATA_INTNAME), TESTDATA_INTVALUE);
strictEqual(testKey.getValueType(TESTDATA_INT64NAME), nsIWindowsRegKey.TYPE_INT64);
strictEqual( testKey.readInt64Value(TESTDATA_INT64NAME), TESTDATA_INT64VALUE);
strictEqual(testKey.getValueType(TESTDATA_BINARYNAME), nsIWindowsRegKey.TYPE_BINARY);
strictEqual( testKey.readBinaryValue(TESTDATA_BINARYNAME), TESTDATA_BINARYVALUE);
}
function test_invalidread_functions(testKey)
{
try {
testKey.readIntValue(TESTDATA_STRNAME);
do_throw("Reading an integer from a string registry value should throw.");
} catch (e if (e instanceof Ci.nsIException && e.result == Cr.NS_ERROR_FAILURE)) {
}
try {
let val = testKey.readStringValue(TESTDATA_INTNAME);
do_throw("Reading an string from an Int registry value should throw." + val);
} catch (e if (e instanceof Ci.nsIException && e.result == Cr.NS_ERROR_FAILURE)) {
}
try {
testKey.readStringValue(TESTDATA_INT64NAME);
do_throw("Reading an string from an Int64 registry value should throw.");
} catch (e if (e instanceof Ci.nsIException && e.result == Cr.NS_ERROR_FAILURE)) {
}
try {
testKey.readStringValue(TESTDATA_BINARYNAME);
do_throw("Reading a string from an Binary registry value should throw.");
} catch (e if (e instanceof Ci.nsIException && e.result == Cr.NS_ERROR_FAILURE)) {
}
}
function test_childkey_functions(testKey)
{
strictEqual(testKey.childCount, 0);
strictEqual(testKey.hasChild(TESTDATA_CHILD_KEY), false);
let childKey = testKey.createChild(TESTDATA_CHILD_KEY, nsIWindowsRegKey.ACCESS_ALL);
childKey.close();
strictEqual(testKey.childCount, 1);
strictEqual(testKey.hasChild(TESTDATA_CHILD_KEY), true);
strictEqual(testKey.getChildName(0), TESTDATA_CHILD_KEY);
childKey = testKey.openChild(TESTDATA_CHILD_KEY, nsIWindowsRegKey.ACCESS_ALL);
testKey.removeChild(TESTDATA_CHILD_KEY);
strictEqual(testKey.childCount, 0);
strictEqual(testKey.hasChild(TESTDATA_CHILD_KEY), false);
}
function test_watching_functions(testKey)
{
strictEqual(testKey.isWatching(), false);
strictEqual(testKey.hasChanged(), false);
testKey.startWatching(true);
strictEqual(testKey.isWatching(), true);
testKey.stopWatching();
strictEqual(testKey.isWatching(), false);
// Create a child key, and update a value
let childKey = testKey.createChild(TESTDATA_CHILD_KEY, nsIWindowsRegKey.ACCESS_ALL);
childKey.writeIntValue(TESTDATA_INTNAME, TESTDATA_INTVALUE);
// Start a recursive watch, and update the child's value
testKey.startWatching(true);
strictEqual(testKey.isWatching(), true);
childKey.writeIntValue(TESTDATA_INTNAME, 0);
strictEqual(testKey.hasChanged(), true);
testKey.stopWatching();
strictEqual(testKey.isWatching(), false);
childKey.removeValue(TESTDATA_INTNAME);
childKey.close();
testKey.removeChild(TESTDATA_CHILD_KEY);
}
function cleanup_test_run(testKey, keyName)
{
do_print("Cleaning up test.");
for (var i = 0; i < testKey.childCount; i++) {
testKey.removeChild(testKey.getChildName(i));
}
testKey.close();
let baseKey = regKeyComponent.createInstance(nsIWindowsRegKey);
baseKey.open(nsIWindowsRegKey.ROOT_KEY_CURRENT_USER, BASE_PATH, nsIWindowsRegKey.ACCESS_ALL);
baseKey.removeChild(TESTDATA_KEYNAME);
baseKey.close();
}
// Test data used above.
const BASE_PATH = "SOFTWARE";
const TESTDATA_KEYNAME = "TestRegXPC";
const TESTDATA_STRNAME = "AString";
const TESTDATA_STRVALUE = "The quick brown fox jumps over the lazy dog.";
const TESTDATA_INTNAME = "AnInteger";
const TESTDATA_INTVALUE = 65536;
const TESTDATA_INT64NAME = "AnInt64";
const TESTDATA_INT64VALUE = 9223372036854775807;
const TESTDATA_BINARYNAME = "ABinary";
const TESTDATA_BINARYVALUE = "She sells seashells by the seashore";
const TESTDATA_CHILD_KEY = "TestChildKey";